What happened to the talent? Have they moved industries or is there just not enough cash to pay them? Something else?
If you spend a decade or three learning and perfecting your trade, and spend a decade away from it without practicing, you'll be rusty (at best) regardless of what the job actually is
This fuels everything from shipbuilding to the military industrial complex - you practice and improve by constantly doing and refining, and your nation can end up a world-leader in designing microprocessors or building supersonic fighters